More SkISizification in GPU code.

Uses SkISize instead of separate width/height variables in many places.

No functional change.

Change-Id: If87b2c57e43d810f0820c4e3c9ef8e6b8ebd10ba
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/249886
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/SkGpuDevice_drawTexture.cpp b/src/gpu/SkGpuDevice_drawTexture.cpp
index 809ac10..f3a3546 100644
--- a/src/gpu/SkGpuDevice_drawTexture.cpp
+++ b/src/gpu/SkGpuDevice_drawTexture.cpp
@@ -201,7 +201,7 @@
         // 1/2 pixel for AA and 1/2 pixel for bilerp
         float buffer = 0.5f * (aa == GrAA::kYes) +
                        0.5f * (filter == GrSamplerState::Filter::kBilerp);
-        SkRect safeBounds = SkRect::MakeWH(proxy->width(), proxy->height());
+        SkRect safeBounds = proxy->getBoundsRect();
         safeBounds.inset(buffer, buffer);
         if (!safeBounds.contains(srcRect)) {
             constraint = SkCanvas::kStrict_SrcRectConstraint;